In Inside Secret Government Warehouses: Shocking Revelations, Holt capitalizes on exclusive access to restricted sites, traveling from Area 51 in Nevada to deep inside the Vatican secret archives – the centerpiece of Dan Brown’s Angels and Demons – interviewing informants, Washington decision-makers, former top military personnel and leading experts.

Among his findings: A high-level informant who describes huge underground tunnels beneath military installations, victims of unauthorized government experimentation, and a former US Air Force pilot ordered to shoot down a UFO in England.

With input from world renowned theoretical physicists, Vatican officials, anthropologists and experts on Area 51, Holt will explore the darkest corners of the places where the world’s secrets hide. What will he discover? Tune in to find out.